Pvl | Mutant Core L-Glutamine - 300G Bodybuilding Warehouse Pvl | Mutant Core Series Glutamine - 300G Glutamine Is The Most Abundant Free Form Amino In Muscle. Supplementing With L-Glutamine Helps Replenish Glutamine Levels For Improved Muscle Repair, Plus Many Other Benefits; Including Immune System & Digestive System Support After Physical Stress. Mutant Exclusively Uses Only Japanese Grade L-Glutamine From Fermented Sources. Micronized For Higher Solubility & Uptake And It Conforms To Usp Grade (United States Pharmacopeia) Standards For Safety And Purity. | Mutant Core L-Glutamine - 300G